Marks per question read off the paper, a marked copy back, and comments written in what the student understands rather than which questions they got wrong.
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Half marks included. Anything it is unsure of is flagged beside the working for you to settle, never guessed.
A key drafted from the blank paper, checked by you, and the class marked against it: ticks, crosses and totals drawn onto each paper.
Patterns across the paper, named as the method or the misunderstanding. The parent comment says what the student can do and what is still forming.
Hardest questions, the Guttman with names, and the practice sheet built from each student's own lost marks.

Drafted from the marks, edited by you.

Facility, misconceptions, the chart.
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